DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
5E40.00 | Cells and Batteries | | |
5E40.01 | Volta's EMF concept | AJP 48(5),405 | The distinction between EMF and electrostatic potential difference is discussed. |
5E40.05 | contact potentials: history, etc | AJP 44(5),464 | The history, concepts, and persistent misconceptions on the contact potentials between metals. |
5E40.10 | EMF dependence on electrode material | PIRA 500 | |
5E40.10 | EMF dependence on electrode material | 5E40.10 | |
5E40.10 | dependence of EMF on electrode mater | Ee-2 | Two stands each hold several strips of different metals which can be paired and dipped into a dilute acid bath. |
5E40.10 | battery effect | Disc 18-14 | Combinations of copper, lead, zinc, and iron are dipped into a dilute sulfuric acid solution. |
5E40.15 | contact potential difference | E-72 | The contact potential difference between copper and zinc can be demonstrated using a condensing electroscope. |
5E40.20 | voltaic cell | PIRA 1000 | |
5E40.20 | voltaic cell | E-198 | A voltaic cell is made with copper and zinc electrodes in a sulfuric acid solution. |
5E40.20 | voltaic cells | E-119 | Short a few voltaic cells in series through a loop of iron or nichrome wire. |
5E40.21 | cardboard model voltaic cell circuit | E-199 | A cardboard model illustrates potential difference and electromotive force in a voltaic cell circuit. |
5E40.25 | lemon battery/voltaic cell | PIRA 500 | |
5E40.25 | lemon battery/voltaic cell | 5E40.25 | Stick copper and galvanized steel electrodes into a lemon and attach a voltmeter. |
5E40.25 | lemon screamer,lasagna cell | TPT 28(5),329 | A little tutorial on electrochemistry for those using the lemon screamer and other interesting cells. |
5E40.25 | lemon battery | 30-3.5 | Zinc and copper strips are hooked to a galvanometer and stuck into fruits and vegetables. |
5E40.26 | voltaic cell polarization | E-200 | Heat the copper cathode in a Bunsen burner flame to oxidize the surface. |
5E40.40 | Crowsfoot or gravity cell | Ee-3 | A zinc-zinc sulfate/copper-copper sulfate battery. |
5E40.50 | adding dry cells | E-115 | Charge an electroscope with a number of 45 V B batteries in series. |
5E40.51 | dry cell terminals | E-116 | Hook up several dry cells in series to a condensing electroscope, remove the capacitance and test polarity with charged rods. |
5E40.60 | lead acid simple battery | PIRA 500 | |
5E40.60 | lead acid simple battery | 5E40.60 | A simple lead acid battery with two electrodes is charged for a short time and discharged through a bell. |
5E40.60 | storage battery | Ee-4 | Two lead plates in a sulfuric acid solution are charged and then discharged through a doorbell. |
5E40.60 | storage cells | E-204 | The elementary lead storage cell is charged and discharged on the lecture table. |
5E40.60 | simple battery | E-120 | Charge two lead plates in 30% sulfuric acid and discharge through a flashlight bulb. |
5E40.61 | storage cells | E-205 | Melt nail with a storage battery. |
5E40.62 | lead-salt cell | AJP 30(6),470 | Instead of acid, use a saturated salt solution of sodium bicarbonate and magnesium sulfate. |
5E40.70 | internal resistance of batteries | PIRA 500 | |
5E40.70 | internal resistance of batteries | 5E40.70 | |
5E40.75 | weak and good battery | PIRA 1000 | |
5E40.75 | internal resistance of batteries | Disc 18-03 | Measure
similar no load voltage on identical looking batteries and then apply a load
to each and show the difference in voltage between a good and weak battery. |